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https://issues.apache.org/jira/browse/LUCENE-6827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14944905#comment-14944905
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Uwe Schindler commented on LUCENE-6827:
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Indeed, we should review all usages of LinkedList throughout Lucene/Solr. It is
not clear why it was used here, but some places used it in pre Java 6 times to
allow fast removal and addition of entries at beginning (typical LIFO/FIFO
usage).
Since Java 6 the much better data structure for this is java.util.Deque (which
LinkedList implements), but using ArrayDeque as implementation is much more
heap/performance efficient.
> Use explicit capacity ArrayList instead of a LinkedList in
> MultiFieldQueryNodeProcessor
> ---------------------------------------------------------------------------------------
>
> Key: LUCENE-6827
> URL: https://issues.apache.org/jira/browse/LUCENE-6827
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Dawid Weiss
> Assignee: Dawid Weiss
> Priority: Trivial
> Fix For: Trunk
>
> Attachments: LUCENE-6827.patch
>
>
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